adverb, adverb taking the 'to' particle
Mimetic word describing something soft, springy, and pleasantly plump, often used for food (e.g., pudding, cheeks) or a bouncy texture.
このプリンはぷりんぷりんで美味しい。
This pudding is deliciously jiggly.
赤ちゃんのほっぺがぷりんぷりんだ。
The baby's cheeks are so plump and bouncy.